Flat Pack Series 250T Loop-Powered (2-wire) Transmitter PLC / DCS Isolated Transmitters P + S Sense Resistor 250T + OUT – IN + 24V DC 4-20mA RLOAD Input – L Isolation 350T DC-Powered (3-wire) Transmitter PLC / DCS P + P 350T PWR + – IN + 24V DC OUT V/mA RLOAD Input – L – Isolation 450T AC-Powered (4-wire) Transmitter PLC / DCS RTD Input S Sense Resistor + 450T These models convert sensor inputs to propor- + OUT + – tional process current or voltage output signals. – IN V/mA L1 3-Way PWR RLOAD W – L Isolation Models G 250T: Loop-powered transmitter series 350T: DC-powered transmitter series ■Special Features■Performance 450T: AC-powered transmitter series Ambient Temperature Range■Excellent accuracy and stability ensure reliable Operating: -13 to 185°F (-25 to 85°C). Input Ranges measurements in harsh industrial environments. Storage: -40 to 185°F (-40 to 85°C). ■100 ohm Pt RTD (2, 3, or 4-wire), Pt-385/392 ■RTD signal linearization improves accuracy Accuracy ±0.1% of calibrated span or ±0.25 mV, whichever is■10 ohm Cu RTD (2, 3, or 4-wire) and reduces drift. greater. Includes repeatability, hysteresis, terminal ■RTD break detection indicates open RTD point linearity, and adjustment resolution. Output Ranges failures with upscale operation. Ambient Temperature Effect■DC current: 4 to 20mA -RBPx: ±0.01% of output span per °F (±0.018% / °C). ■RTD lead wire compensation eliminates the ■DC voltage: 0 to 5V or 0 to 10V -RBCx: ±0.025% of output span per °F (±0.045% / °C). effect of the wire’s resistance. (Specification includes the combined effects of zero and span over temperature). Power Requirements ■RFI and EMI resistance minimize the effects of Noise Resistance■250T: 12 to 50V DC @ 20mA (loop-powered) environmental noise. RFI: Less than ±0.5% ,of output span effect. ■350T: DC voltage source (see table below) EMI: Less than ±0.25% of output span effect. ■75% span adjustment enables precise Noise Rejection application calibration. Output range Power Common Mode: 120dB at 60Hz, 100 ohm unbalance. 4 to 20mA 10 to 36V DC @ 30mA ■Low power consumption (350T as low as 9mA). Normal Mode: 26dB at 60Hz, 100 ohm source, 0 to 5V 10 to 36V DC @ 9mA 20dB at 60Hz, 10 ohm source. ■1500V AC peak isolation (250V AC or 354V 0 to 10V 12.5 to 36V DC @ 9mA Response Time DC continuous) prevents ground loops. Output reaches 98% of output span in 350mS. ■450T: 115V or 230V AC, ±10%, 50 to 60Hz Bandwidth 250T models: Output range Power -3dB at 3 Hz, typical. Input isolated from output/power. 4 to 20mA 115V AC @ 0.050A Output Compliance 350T models: 250T: RLOAD (max.) = (VSUPPLY - 12V) / 20mA. 4 to 20mA 230V AC @ 0.025A 350T: RLOAD (max.) = (VSUPPLY - 2.5V) / 20mA. Input isolated from output and power. 0 to 5V, 0 to 10V 115V AC @ 0.020A 450T: RLOAD = 600 ohms. Output and power share a common. 0 to 5V, 0 to 10V 230V AC @ 0.010A 450T models: 3-way isolation. Input, output, and power circuits are isolated from each other. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 126 Flat Pack Flat Pack Isolated Transmitters Mounting Options■Ordering Information Mountings Select one option from each column. Example: 450T-RBP2-V0-2-DIN-NCR-C -DIN: DIN rail G or T mount To order factory calibration, append “-C” to end of model number. Specify ranges on order. -ST: SNAPTRACK mount [250T only] Base Input Mounting Approval -SM: Surface-mount [250T only] External housings 250T -RBP1 -RBC1 -DIN -N4 -NCR -EP1 Note: -N4: NEMA 4, water-tight [250T only], holds two -RBP2 -RBC2 -ST -N12 -OL1 -IS1 All 250Ts have 4 to 20mA output -N12: NEMA 12, oil-tight [250T only], holds two -RBP3 -SM -XP -DT1 and are loop-powered. -XP: Explosion-proof NEMA 4 [250T only], holds one Approval Options Base Input Output Mounting Approval -NCR: No certification/approval required. Note: 350T -RBP1 -RBC1 -Y -DIN -NCR † All 350Ts accept -OL1 : CSA approval, Ordinary Locations [250T only]. -RBP2 -RBC2 -V0 10 to 36V DC † -DT1 : CSA approval, Div. 2 hazardous locations: -RBP3 -V5 power supply. Class I; Div. 2; Groups A, B, C, D [250T only]. †† -EP1 : CSA approval, Explosion-proof for hazardous locations: Class I; Groups B, C, D Class II; Groups E, Base Input Output Power Mounting Approval F, G. NOTE: Only available with explosion-proof 450T -RBP1 -RBC1 -Y -1 -DIN -NCR housing (-XP) [250T only]. † -RBP2 -RBC2 -V0 -2 -IS1 : CSA approval, Intrinsically Safe for hazardous locations: Class I; Groups A, B, C, D. -RBP3 -V5 [250T only]. Input Options Copper RTD input -RBC1: 10 ohm Copper RTD Platinum RTD input Span: 50 to 100°C (90 to 180°F) -RBP1: Platinum RTD, 100 ohm■Ordering Notes Zero: -50 to 50°C (-58 to 122°F) Span adjust: 25 to 100°C (45 to 180°F) † Units are shipped separately from any optional Accuracy: ±0.25% Zero adjust: -150 to 150°C (-238 to 302°F), enclosures (i.e. units are not installed in any external -RBC2: 10 ohm Copper RTD Accuracy: ±0.1% housing). Span: 100 to 200°C (180 to 360°F) -RBP2: Platinum RTD, 100 ohm †† Units shipped installed in external enclosure. Zero: -50 to 50°C (-58 to 122°F) Span adjust: 50 to 200°C (90 to 360°F) Accuracy: ±0.25% Accessories Zero adjust: -150 to 150°C (-238 to 302°F), Maximum Excitation Current Power supplies Accuracy: ±0.1% Platinum RTD: 1.0mA (0.5mA for -RBP3) See Power Supplies on page 183. Copper RTD: 1.5mA. -RBP3: Platinum RTD, 100 ohm DIN RAIL 3.0 Span adjust: 200 to 800°C (360 to 1440°F) Lead Wire Compensation DIN RAIL 16.7 A. 100 ohm, Pt RTD: Zero shift is less than Zero adjust: -150 to 150°C (-238 to 302°F), DIN rail strip, Type T, 3 inches (75mm) or 0.01%/ohm of lead resistance, for up to 10 Accuracy: ±0.3% 16.7 inches (425mm) ohms/leg, with a total maximum shift of 0.1%. 20RM-16-DIN B. 10 ohm Cu RTD: Zero shift is less than 0.05%/ohm 19" rack-mount kit with DIN rail. Holds sixteen of lead resistance, for up to 10 ohms/leg, with a 250T/350Ts or ten 450T transmitters. total maximum shift of 0.5%. 350T-N4-WM Output Options (350T, 450T only) NEMA 4 water-tight enclosure, wall-mount. Holds two 350Ts or one 450T transmitter. -Y: 4 to 20mA DC. 350T-N12-WM -V0: 0 to 10V DC into 10K ohms or greater NEMA 12 oil-tight enclosure, wall-mount. Holds two -V5: 0 to 5V DC into 5K ohms or greater 350Ts or one 450T transmitter. Power Options (450T only) -1: 115V AC power -2: 230V AC power Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 127 Flat Pack Series Dimensions Transmitters: 250T, 350T Isolators: 270i, 340i, Limit Alarms: 260A Power Supplies: 25PS, 35PS-2U Surface Mount: Snaptrack 250T-SM, Mount: 260A-SM, 250T-ST, 270i-SM, 260A-ST, 25PS-SM 270i-ST, 25PS-ST Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 138 Flat Pack Flat Pack Signal Conditioners Dimensions Explosion-Proof and Industrial Housing 250T-XP, 260A-IH/IHW, 270i-XP 250T Transmitter shown installed in enclosure with cover removed. 250T Transmitter shown removed from enclosure. NEMA-4 and NEMA-12 Enclosures 250T-N4 / N12, 25PS-N4 / N12 260A-N4 / N12, 270i-N4 / N12 Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 139 Flat Pack Series Dimensions Transmitters: 450T Isolators: 330i, 430i, Limit Alarms: 361A, 461A Power Supplies: 35PS-8U NEMA-4 and NEMA-12 Enclosures 350T-N4-WM 350T-N12-WM Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 140 Flat Pack Flat Pack Signal Conditioners Dimensions 20RM-16-DIN Rack Mount Kit AC Sensor 5020-350 Dimensions are in inches (millimeters). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 141